./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6346ce5eb6334508a32a1216a3fa5c414f15aa87 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:20:06,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:20:06,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:20:06,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:20:06,925 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:20:06,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:20:06,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:20:06,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:20:06,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:20:06,929 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:20:06,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:20:06,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:20:06,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:20:06,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:20:06,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:20:06,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:20:06,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:20:06,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:20:06,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:20:06,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:20:06,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:20:06,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:20:06,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:20:06,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:20:06,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:20:06,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:20:06,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:20:06,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:20:06,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:20:06,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:20:06,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:20:06,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:20:06,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:20:06,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:20:06,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:20:06,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:20:06,946 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:20:06,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:20:06,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:20:06,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:20:06,956 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:20:06,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:20:06,956 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:20:06,956 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:20:06,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:20:06,957 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:20:06,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:20:06,958 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:20:06,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:20:06,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:20:06,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:20:06,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:20:06,958 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:20:06,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:20:06,959 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6346ce5eb6334508a32a1216a3fa5c414f15aa87 [2018-11-28 11:20:06,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:20:06,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:20:06,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:20:06,994 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:20:06,995 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:20:06,995 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-11-28 11:20:07,030 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/data/fb893531f/f8a1eab66a0e4784904404a63a80c1f6/FLAG7fc016e6e [2018-11-28 11:20:07,463 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:20:07,464 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-11-28 11:20:07,472 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/data/fb893531f/f8a1eab66a0e4784904404a63a80c1f6/FLAG7fc016e6e [2018-11-28 11:20:07,480 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/data/fb893531f/f8a1eab66a0e4784904404a63a80c1f6 [2018-11-28 11:20:07,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:20:07,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:20:07,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:07,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:20:07,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:20:07,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07, skipping insertion in model container [2018-11-28 11:20:07,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:20:07,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:20:07,686 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:07,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:20:07,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:07,808 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:20:07,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07 WrapperNode [2018-11-28 11:20:07,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:07,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:07,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:20:07,809 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:20:07,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:07,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:20:07,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:20:07,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:20:07,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... [2018-11-28 11:20:07,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:20:07,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:20:07,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:20:07,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:20:07,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:20:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:20:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:20:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:20:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:20:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:20:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:20:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:20:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:20:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:20:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:20:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:20:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:20:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:20:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:20:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:20:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:20:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:20:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:20:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:20:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:20:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:20:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:20:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:20:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:20:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:20:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:20:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:20:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:20:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:20:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:20:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:20:07,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:20:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:20:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:20:08,374 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:20:08,375 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:20:08,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:08 BoogieIcfgContainer [2018-11-28 11:20:08,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:20:08,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:20:08,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:20:08,378 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:20:08,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:20:07" (1/3) ... [2018-11-28 11:20:08,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d466b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:20:08, skipping insertion in model container [2018-11-28 11:20:08,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:07" (2/3) ... [2018-11-28 11:20:08,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d466b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:20:08, skipping insertion in model container [2018-11-28 11:20:08,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:08" (3/3) ... [2018-11-28 11:20:08,381 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-11-28 11:20:08,387 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:20:08,391 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:20:08,400 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:20:08,423 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:20:08,423 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:20:08,423 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:20:08,424 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:20:08,424 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:20:08,424 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:20:08,424 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:20:08,424 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:20:08,424 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:20:08,441 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-11-28 11:20:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:20:08,448 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:08,448 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:08,450 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:08,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:08,455 INFO L82 PathProgramCache]: Analyzing trace with hash -413662011, now seen corresponding path program 1 times [2018-11-28 11:20:08,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:08,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:08,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:08,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:08,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:08,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:08,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:20:08,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:20:08,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:20:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:20:08,648 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-11-28 11:20:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:08,677 INFO L93 Difference]: Finished difference Result 250 states and 313 transitions. [2018-11-28 11:20:08,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:20:08,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 11:20:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:08,687 INFO L225 Difference]: With dead ends: 250 [2018-11-28 11:20:08,687 INFO L226 Difference]: Without dead ends: 125 [2018-11-28 11:20:08,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:20:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-28 11:20:08,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-28 11:20:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-28 11:20:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 148 transitions. [2018-11-28 11:20:08,727 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 148 transitions. Word has length 52 [2018-11-28 11:20:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:08,728 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 148 transitions. [2018-11-28 11:20:08,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:20:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2018-11-28 11:20:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:20:08,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:08,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:08,731 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:08,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1222789862, now seen corresponding path program 1 times [2018-11-28 11:20:08,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:08,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:08,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:08,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:08,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:08,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:20:08,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:20:08,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:20:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:20:08,811 INFO L87 Difference]: Start difference. First operand 125 states and 148 transitions. Second operand 3 states. [2018-11-28 11:20:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:08,829 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2018-11-28 11:20:08,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:20:08,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 11:20:08,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:08,831 INFO L225 Difference]: With dead ends: 199 [2018-11-28 11:20:08,831 INFO L226 Difference]: Without dead ends: 116 [2018-11-28 11:20:08,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:20:08,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-28 11:20:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-28 11:20:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-28 11:20:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2018-11-28 11:20:08,842 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 53 [2018-11-28 11:20:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:08,843 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2018-11-28 11:20:08,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:20:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2018-11-28 11:20:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:20:08,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:08,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:08,844 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:08,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:08,845 INFO L82 PathProgramCache]: Analyzing trace with hash 817854089, now seen corresponding path program 1 times [2018-11-28 11:20:08,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:08,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:08,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:08,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:08,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:08,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:08,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:20:08,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:20:08,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:20:08,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:20:08,933 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 7 states. [2018-11-28 11:20:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:09,120 INFO L93 Difference]: Finished difference Result 208 states and 249 transitions. [2018-11-28 11:20:09,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:20:09,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 11:20:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:09,121 INFO L225 Difference]: With dead ends: 208 [2018-11-28 11:20:09,122 INFO L226 Difference]: Without dead ends: 116 [2018-11-28 11:20:09,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:20:09,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-28 11:20:09,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-28 11:20:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-28 11:20:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2018-11-28 11:20:09,129 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 57 [2018-11-28 11:20:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:09,130 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2018-11-28 11:20:09,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:20:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2018-11-28 11:20:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 11:20:09,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:09,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:09,132 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:09,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:09,132 INFO L82 PathProgramCache]: Analyzing trace with hash 234436965, now seen corresponding path program 1 times [2018-11-28 11:20:09,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:09,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:09,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:09,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:09,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:20:09,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:20:09,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:20:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:20:09,224 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 6 states. [2018-11-28 11:20:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:09,338 INFO L93 Difference]: Finished difference Result 289 states and 353 transitions. [2018-11-28 11:20:09,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:20:09,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-11-28 11:20:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:09,341 INFO L225 Difference]: With dead ends: 289 [2018-11-28 11:20:09,341 INFO L226 Difference]: Without dead ends: 197 [2018-11-28 11:20:09,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:20:09,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-11-28 11:20:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 195. [2018-11-28 11:20:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-28 11:20:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 233 transitions. [2018-11-28 11:20:09,363 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 233 transitions. Word has length 70 [2018-11-28 11:20:09,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:09,363 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 233 transitions. [2018-11-28 11:20:09,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:20:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2018-11-28 11:20:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-28 11:20:09,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:09,365 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:09,365 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:09,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:09,366 INFO L82 PathProgramCache]: Analyzing trace with hash 712176063, now seen corresponding path program 1 times [2018-11-28 11:20:09,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:09,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:09,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:09,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,461 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:20:09,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:20:09 BoogieIcfgContainer [2018-11-28 11:20:09,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:20:09,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:20:09,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:20:09,545 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:20:09,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:08" (3/4) ... [2018-11-28 11:20:09,547 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:20:09,621 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ed9d0b6-e9a0-4806-8697-3bbc6c57226f/bin-2019/uautomizer/witness.graphml [2018-11-28 11:20:09,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:20:09,622 INFO L168 Benchmark]: Toolchain (without parser) took 2139.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 950.6 MB in the beginning and 918.2 MB in the end (delta: 32.4 MB). Peak memory consumption was 229.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:09,623 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:09,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:09,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:09,624 INFO L168 Benchmark]: Boogie Preprocessor took 28.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:09,624 INFO L168 Benchmark]: RCFGBuilder took 516.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:09,625 INFO L168 Benchmark]: TraceAbstraction took 1168.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.9 MB in the end (delta: 188.1 MB). Peak memory consumption was 188.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:09,625 INFO L168 Benchmark]: Witness Printer took 77.28 ms. Allocated memory is still 1.2 GB. Free memory was 943.9 MB in the beginning and 918.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:09,627 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 516.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1168.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.9 MB in the end (delta: 188.1 MB). Peak memory consumption was 188.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.28 ms. Allocated memory is still 1.2 GB. Free memory was 943.9 MB in the beginning and 918.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 598]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int pumpRunning = 0; [L416] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L761] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=195, \old(head)=179, \old(head)=200, \old(methaneLevelCritical)=154, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] int retValue_acc ; [L838] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L844] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L844] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L848] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L849] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L607] int splverifierCounter ; [L608] int tmp ; [L609] int tmp___0 ; [L610] int tmp___1 ; [L611] int tmp___2 ; [L614] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L616] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L618] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L624] tmp = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L628] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L690] COND TRUE waterLevel < 2 [L691] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L634] tmp___0 = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L644] tmp___2 = __VERIFIER_nondet_int() [L646] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L659] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L430] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L478] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L481] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L455] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L432] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L438] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] int tmp ; [L862] int tmp___0 ; [L863] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L711] int retValue_acc ; [L714] retValue_acc = methaneLevelCritical [L715] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L867] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] tmp = isMethaneLevelCritical() [L869] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L873] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L873] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L873] tmp___0 = getWaterLevel() [L875] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L877] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L530] int retValue_acc ; [L533] retValue_acc = pumpRunning [L534] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L877] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L877] tmp___1 = isPumpRunning() [L879] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L883] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 138 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 575 SDtfs, 223 SDslu, 907 SDs, 0 SdLazy, 200 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 21992 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...